You are listening on laptop speakers or a mono Bluetooth speaker. 3D panning requires stereo headphones (for binaural rendering) or a properly calibrated surround sound system. Check your master channel; ensure it is not collapsed to mono.
: Creating a "3D" interface involves designing custom background graphics (wallpapers) and specialized knob sprite sheets that simulate depth and lighting. bobdule 3d kontakt tutorial
Open the File menu and select "New Instrument" (switch to classic view if necessary) 0.5.4 . You are listening on laptop speakers or a